
Metric Threads (M, MF) Unit: mm
Major Minor Major Minor
Pitch Diameter Pitch Diameter
SP Kind diameter diameter Kind diameter diameter
Size of Class Upper Lower Size of Class Upper Lower
tap Basic Basic Tolerance Basic tap Basic Basic Tolerance Basic
Tolerance Tolerance Tolerance Tolerance
Size Size (μm) Size Size Size (μm) Size
| (μm) + | (μm) + | (μm) + | (μm) + | ||||
| P1 | 25 10 15 | P1 | 25 10 15 | ||||
| ISO1 | 17 6 11 | M1.6×0.2 | ISO1 | 1.600 1.470 | 15 5 10 1.383 |
| ISO2 | 28 17 11 | ISO2 | 25 15 10 | ||||||
| M1×0.25 | G3 | 1.000 0.838 | 38 | 26 | 12 | 0.729 P1 | 25 10 15 | ||
| G4 | 51 | 38 | 13 | P2 | 40 25 15 | ||||
| ISO1X | 38 | 26 | 12 | ISO1 | 20 7 13 | ||||
| PO | ISO2X | 51 | 38 | 13 | ISO2 | 34 20 14 | |||
| P1 | 25 10 15 | M1.7×0.35 G4 | 1.700 1.473 51 | 38 | 1.321 13 | ||||
| M1×0.2 | ISO1 | 1.000 0.870 | 15 5 10 0.783 | G5 | 64 | 51 | 13 | ||
| ISO2 | 25 15 10 | G6 | 76 | 64 | 12 | ||||
| ST | P1 | 25 10 15 | ISO2X | 64 | 51 | 13 | |||
| ISO1 | 17 6 11 | ISO3X | 76 | 64 | 12 | ||||
| ISO2 | 28 17 11 | P1 | 25 10 15 | ||||||
| M1.1×0.25 | G3 | 1.100 0.938 | 38 | 26 | 12 | M1.7×0.2 0.829 ISO1 | 1.700 1.570 15 5 10 1.483 | ||
| ROLL | G4 | 51 | 38 | 13 | ISO2 | 25 15 10 | |||
| ISO1X | 38 | 26 | 12 | P1 | 25 10 15 | ||||
| ISO2X | 51 | 38 | 13 | P2 | 40 25 15 | ||||
| P1 | 25 10 15 | ISO1 | 20 7 13 | ||||||
| M1.1×0.2 | ISO1 | 1.100 0.970 | 15 5 10 0.883 | ISO2 | 34 20 14 |
| ISO2 | 25 15 10 | M1.8×0.35 | G4 | 1.800 1.573 | 51 | 38 | 13 | 1.421 | ||
| P1 | 25 10 15 | G5 | 64 | 51 | 13 | |||||
| M1.2×0.25 | ISO1 | 1.200 1.038 | 17 6 11 0.929 | G6 | 76 | 64 | 12 | |||
| ISO2 | 28 17 11 | ISO2X | 64 | 51 | 13 |
| P1 | 25 10 15 | ISO3X | 76 | 64 | 12 | |||||||
| ISO1 | 15 5 10 | P1 | 25 10 15 | |||||||||
| ISO2 | 25 15 10 | M1.8×0.2 | ISO1 | 1.800 1.670 | 15 5 10 1.583 | |||||||
| M1.2×0.2 | G3 | 1.200 1.070 | 38 | 26 | 12 | 0.983 | ISO2 | 25 15 10 |
G4 51 38 13 P1 25 10 15
| ISO1X | 38 | 26 | 12 | P2 | 40 25 15 |
| ISO2X | 51 | 38 | 13 | P3 | 55 40 15 |
M2×0.4 2.000 1.740 1.567
| P1 | 25 10 15 | ISO1 | 21 7 14 | |||
| EG (STI) | ISO1 | 18 6 12 | ISO2 | 36 21 15 | ||
| ISO2 | 30 18 12 | ISO2X | 51 36 15 | |||
| G3 | 38 | 26 | 12 | G4 | 51 38 13 |
M1.4×0.3 1.400 1.205 1.075
G4 51 38 13 G5 64 51 13
| THREADS, | G5 | 64 | 51 | 13 | M2×0.4 | G6 | 2.000 1.740 | 76 64 12 1.567 |
| GAUGES | ISO2X | 51 | 38 | 13 | ISO2X | 64 51 13 | ||
| ISO3X | 64 | 51 | 13 | ISO3X | 76 64 12 | |||
| P1 | 25 10 15 | P1 | 25 10 15 | |||||
| THREAD | M1.4×0.2 ISO1 | 1.400 1.270 15 5 10 1.183 | P2 | 40 25 15 | ||||
| M2×0.25 | 2.000 1.838 | 1.729 | ||||||
| MILLS | ISO2 | 25 15 10 | ISO1 | 18 6 12 | ||||
| P1 | 25 10 15 | ISO2 | 30 18 12 | |||||
| P2 | 40 25 15 | P1 | 25 10 15 | |||||
| ISO1 | 20 7 13 | P2 | 40 25 15 | |||||
| DIES | ISO2 | 34 20 14 | P3 | 55 40 15 | ||||
| M1.6×0.35 G4 | 1.600 1.373 51 | 38 | 13 | 1.221 | ISO1 | 23 8 15 | ||
| G5 | 64 | 51 | 13 | ISO2 | 38 23 15 | |||
| M2.2×0.45 | 2.200 1.908 | 1.713 | ||||||
| G6 | 76 | 64 | 12 | ISO2X | 53 38 15 |
ISO2X 64 51 13 G5 64 51 13
ISO3X 76 64 12 G7 89 76 13
ISO2X 64 51 13 ISO3X 89 76 13